142330232021444 has 12 divisors (see below), whose sum is σ = 249401804490300. Its totient is φ = 71072573595648.

The previous prime is 142330232021363. The next prime is 142330232021477. The reversal of 142330232021444 is 444120232033241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20391438113344 + 121938793908100 = 4515688^2 + 11042590^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23135600309 + ... + 23135606460.

It is an arithmetic number, because the mean of its divisors is an integer number (20783483707525).

Almost surely, 2^{142330232021444} is an apocalyptic number.

It is an amenable number.

142330232021444 is a deficient number, since it is larger than the sum of its proper divisors (107071572468856).

142330232021444 is a wasteful number, since it uses less digits than its factorization.

142330232021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46271207542 (or 46271207540 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 142330232021444 its reverse (444120232033241), we get a palindrome (586450464054685).

The spelling of 142330232021444 in words is "one hundred forty-two trillion, three hundred thirty billion, two hundred thirty-two million, twenty-one thousand, four hundred forty-four".